RCA 12AX7 / ECC83 NOS Single
NOS Single Tube
New In White Box
Grey Ribbed Plate
Top Ring Getter
New In White Box
Grey Ribbed Plate
Top Ring Getter
Offering a premium New Old Stock (NOS) RCA 12AX7 / ECC83 dual triode, Serial No. 1639019. This authentic American-made valve features Grey Ribbed Plates and a Top Ring Getter. Known for its excellent gain and classic tonal characteristics, this tube is supplied in a clean white protective box and has been precision tested on the Amplitrex AT1000.
- Type: 12AX7 / ECC83 Brand: RCA
- Condition: New in White Box Construction: Grey Ribbed Plate / Top Ring Getter
- Origin: Made in USA Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7. This tube shows strong performance, exceeding nominal transconductance specifications on both triode sections.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1639019 | T1 | 1.2 | 1.6 | 133% | 1600 | 1900 | 119% |
| T2 | 1.2 | 1.4 | 117% | 1600 | 1600 | 100% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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